Home / 45,748.62-63,128.70-26,630.91

Finding the Fourth Proportional to 45,748.62, 63,128.70 and 26,630.91

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Solution

The fourth proportional to 45,748.62, 63,128.70 and 26,630.91 is: 36,748.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,748.62 : 63,128.70 = 26,630.91 : x
  2. Step 2: Convert to fraction form
    45,748.62/63,128.70 = 26,630.91/x
  3. Step 3: Cross multiply
    45,748.62x = 63,128.70 × 26,630.91
  4. Step 4: Simplify right side
    45,748.62x = 1,681,174,728.12
  5. Step 5: Solve for x
    x = 1,681,174,728.12/45,748.62
  6. Step 6: Final answer
    x = 36,748.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.